RT Journal Article SR Electronic T1 Calcified pseudotumoural mediastinal amyloidosis JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 686 OP 687 DO 10.1136/thx.46.9.686 VO 46 IS 9 A1 M C F Jenkins A1 M Potter YR 1991 UL http://thorax.bmj.com/content/46/9/686.abstract AB A patient with a plasma cell neoplasm presented with progressive major air-ways obstruction from a large mediastinal calcified amyloid tumour.